2.0.0-rc.0 / 2021-09-03

• [BREAKING] Change how waiter metrics are presented and stored
  • Replace gpfs_mmdiag_waiter with gpfs_waiter_seconds that is a histogram, no longer use thread label
  • Replace gpfs_mmdiag_waiter_info with gpfs_waiter_info_count that is count of waiter name + reason without thread label
  • Add flag --collector.waiter.buckets to define histogram buckets
• [BREAKING] Rename mmdiag collector to waiter
  • Replace --collector.mmdiag with --collector.waiter
  • Replace --no-collector.mmdiag with --no-collector.waiter
  • Remove --collector.mmdiag.waiter-threshold flag
  • Replace --collector.mmdiag.waiter-exclude with --collector.waiter.exclude
  • Replace --collector.mmdiag.timeout with --collector.waiter.timeout